Thill-coupling



- (No Model.)

- W. A. HENDRYX.

THILL COUPLING. l No; 252,316." Patented J&11.17,1B8Z.

f UNITED {STATES PATENT OFFICE.

WILBUR A. HENDRYX, OF BIG RAPIDS, -MIOHIGAN.

THtLL-COUPLING.

SPECIFICATION forming part of Letters Patent No. 252,316, dated January 17, 1882.

Application filed May 31, 1881. (No model.)

. specification, and represent, in-

Figure 1,'a side vlew; Fig. 2, asectlonal plan view.

This invention relatvsto an improvement in carriage-shackles, the object being to dispense with the nut usuallyemployed for holding the thill-iron bolt in place, and provide a convenient means for holding and releasing it; and

the invention consists in the construction, as hereinafter described, and particularly recited in the claim.

Arepresen ts one ear, and B the other, formed upon or attached to the clip 0 in the usual manner for carriage-shackles, leaving a space, D, between the two ears for the introduction of the thill-iron 5 E, the bolt, which passes through the two ears and the thill-iron to serve as the pivot on which'the thill-iron works.

. The ear Bis extended, and in a longitudinal recess or slot, at, a cam-shaped catch, 1), is hung upon a pivot, d. The bolt E is constructed Willl a corresponding slot, 6, into which the catch b will enter, as seen in Fig. 2, when the bolt is in place, the extension of the catch into the slot in the bolt being sufficient to prescribed.

vent the removal of the bolt until the catch 1) be turned outward from the slot, as seen in rear of the bolt, and extends forward near the I outerend, and isconstrncted with aslot, l, to engage a projection, m, on the catch when in its closed position, as seen in Figs. 1 and 2. This latch may be sprung away from. thecatch b, as indicated in broken lines, Fig. 2, suffi cient to permit the catchto be turned away to release the bolt, or when in returning the catch the nose of the projection m will strike the-latch and spring it away sutficien't to permit the catch to pass to its latch again engages it.

I claim-t In a carriage-shackle, the catch b, pivoted in a slot. in one ear, combined with the bolt, constructed with a corresponding slot, into which the saidcatch will enter when the bolt is in place, or from which the catch may be turned to permit the removal of the bolt, and a springlatch to engage the said catch when in the closed or looking position, substantiallyas de- WILBUR A. HENDRYX.

Witnesses:

LEWIS TOAN, CHARLES H. \VAGENER.

place and until the 

